RAJNI, J.S. DEOL, and A.S. BRAR. “Effect of Chemical Defoliation on Boll Opening Percentage, Yield and Quality Parameters of Bt Cotton (Gossypium Hirsutum)”. Indian Journal of Agronomy 56, no. 1 (October 10, 2001): 74–77. Accessed June 26, 2026. https://pub.isa-india.in/index.php/ija/article/view/4662.